Jesel Torx Head Bolt - 7/16-14 in Thread - 1-1/2 in Long - Black Oxide (Set of 16) HASZ20PP the upper insulator will now

the upper insulator will now be white instead of yellow

take out motors and engine builders

The F-body chassis flexes dramatically

2007-2018 Jeep Wrangler JK and TJ

Jesel Torx Head Bolt - 7/16-14 in Thread - 1-1/2 in Long - Black Oxide (Set of 16) HASZ20PP the upper insulator will nowProduct Description: Bolt 7 16 14 in Thread 1. 5 in Long Torx Head Nuts Included Chromoly Black Oxide Set of 16 Dan Jesel realized early on that the success and demand for his high end valvetrain components was in part dependent on huge valve lifts, unheard of spring pressures and rpm that most thought was impossible. So he started on a 10 year quest to perfect the roller lifter. After nearly nine years of R&D and endless testing, Dan brought the